Nucleus® 7

My sound processor switches off by itself.


  1. Ask your clinician if Auto power off is enabled on your sound processor.

    If it is, the sound processor will switch off after two minutes when it's not connected to the implant.
  2. Make sure you're using the correct batteries.

    For disposable batteries, use the ones we recommend – 675 (PR44) zinc air batteries designed for cochlear implants. Don't use silver oxide or alkaline batteries. Note: Let new disposable batteries stand for a few seconds after you peel off their plastic cover and before you put them into your sound processor.
  3. Make sure there's no dirt or dust on the battery contacts.

    You'll find easy step-by-step pointers for how to clean battery contacts on page 44 of your Nucleus 7 Sound Processor User Guide.
  4. Replace the batteries.

    There's an easy step-by-step guide for how to do this on page 10 of your Nucleus 7 Sound Processor User Guide.

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